Escape-proof window for prisons



Jan. 1, 1935. CLARK 1,986,713

ESCAFEPROOF WINDQW FOR PRISONS R. L. CLAK l,986,7l3

` ESCAPEPROOF WINDOW FOR PRISONS Jan. 1, 1935.

Filed Oct. 17, 1933 3 Sheets-Sheet 3 ings are provided with panes 23 of wire frosted glass which are adapted to admit the desired amount of light through the window and at the same time prevent persons on the interior from looking .out.and those on thegter'onfrom lool::-

ing into'a. 'pr-islam;

'is provided with a copper wire screen 24 having;

a marginal frame 25 secured to the vertical and horizontal angle bars forming";theFventilating openings. The screen is provi edat itsouter face with a series of inclinedjfslatsfll p constructed of copper and Xt'ending' do their upper edges with ttaching-- portiors -z'l suitably secured to the screen. The slat exten d entirely across the ventilating openings an'd' are' arran d. i -;v rtica c ver a p r t m h lower, l ds& Qi-; ach l e glo ated. b lo h lan t e u p rae ig :of e n owe af ith a x ntio e botto wh h S' eve:: ed xte ine-t i t bel wau e o h sa iac tnh zon al ;meler Ira Bm n e-;s a ov rl pp n r la n ings; is :provided 'with' one of the 'ventilators 28;

a 'continuou i plateifor'vpahe 30` df wireacross, the v glas's. 3 The ventilator which isi hnged atj thej bottom Dreierahlv .connected ,at the lower 'edge with the, sash framej by' ;hutt hinges 31, but fanyother suitable formofhnge 'connection may; O'c'o'u'rse;

be employe'd 'andltheventilator 28:15 adaptfd 'to' Swing outwardly. and .jd'ownwardly from?. 'the full lineposition illustrated in Fig .t3 of the drawings to the' i dotted line position 'to permit ventilation through the.. screen .ventilating openin "of ithe window. When the ventilator is open and in .an cl' i p s t jtwil .pi v j 'g tth. inneriide'qf the'window rr m looking' downjwardir nd ie i e r o fa'bri qhl 'a at the same tim'e,` 'prevent persons on the, cute i j l m lo i .upwardly 'through y {the spaces i :l v

collars 37 located at opposite sides of the tie bars through which the connecting rod passes. The connecting rod also passes through a vertical slot 38 of an arm 39 depending from a slidable ventilator Operating rod 40 mounted in a guide opening 41 of a hanger 42 welded or otherwise secured to the top of the window Irame and depending thererom, las clearly llustratedr in Figs. 2 and 3 of the drawing& :ne hanger 312 preferably consists of a pieceof angle iron or T-bar, but it may be of any other desired construction.

Th'e slidableventilator Operating rod is designed to .extrdtoaprison gallery or other remote .pointo`fcontrol and 'the depending arm 39 is f prer raby ,providedat its upper ends with a .e rd y' and outwardly from the screen andproviddat' sleevef .s'ecu ed omthe outer end of the rod 40 by `a pin l l'or other suitable fastening device. 'I 'l'le connectingrod *which passes through the slot 38 -is provided at opposite sides of the arm ticea plurality `;of Operating -rods will be simul-- taueously actuated, each .rod `being connected with an arm 4@ of a rock shaft-A'l provided with; an operating arin` 48 and; a dapted, to be locked -in its adj ustmentby a ball :and ratchet device 49 or other suitable rneansfij i :34:-

The ro ,shaft 47 andthelockingmanscon stitute a' remote l control `device which may be arrangeid I at .e any convenient point and which will be' a ssociated with a .seriesof windows sc' that ventilators of {a plurality of ;windows will be. ;simult'aneo'sly ope'ratedand locked V in open which form the sight shield at thescreensmay be. provided .with ,plates'f' orpanes of; frosted; glass or ,any other suitablematerial for -permitting .a predetermined'amoun of..1ight to .pass through the'sc'reen'gf i I 'Whatis claimed s 'A windowof the class' descr ibed .including a sash name having a ventilating opening, a screen for' the said opening secured tothe sash frame, and a series of stationary inclined slatssecured to' and projectin'g. from the screen and arranged at intervals 'vertical "overlapping relation ;and forming a sight sh'eld covering ,thei areaof the ventilating opening p ,i j 12,' A ;window of thejclass described including a.

i sash'frani having a ventilating opening,'a.`screen ris secured to thejsash frameand covering theven tilatng" opening, stationary inclif'ed slats secure to and extenling outwardly.fromthescreen and arrangedji n vertical overlappingrelation to orm asightjjshield .to preventdirect view through= the. ventilator opening', and a'hngi'imperfoate ventilator member located exterioi'lybf the s1ats` and c'overing the ventilating 'opening and forming aclsure for.. the., same with `siatidslats .confined between the' screen; and' i the ventilator member when the' lattefr is closedfand adapted to swing' poutwardly away f rom' the screen and llats' tog rmi en l ti h h he v t t ing op ng." 2.7:: 3. A window of the class described including a'sash frame having a ventilating 'opj ''ing',' a screen secured to the sash frame and covering the 'ventilating opening, stationary pinclinedf slats' extndingjo twardly from the screenandar secured within the frame. i i

4. A window of the character described including asash frame provided with a transverse row of relatively small side by side ventilation openings, separate screens secured to the sash :frame in the openings thereof, a seriesof fixed inclined slats arranged in each relatively small ventilation opening and extending outwardly from the screen thereof and arranged in overlapping relation to form a sight shield, and a relatively long transverse ventilator hinged to the sash frame and exi tending across and covering the row of ventilation openings and movable outwardly to pernit ventilation through the said openings.

5. A window of the character described including a sash frame provided with a transverse row of relatively small side byside ventilation open-` ings, separate screens secured to the sash rame in the openings thereof, a series of fixed in-` clined slats arranged in each ventilation opening and extending outwardly from the screen thereof and arranged in overlappingrelationto forma sight shield, and a relatively long transverse ventilator fitted against the sash frame and `covering the row of ventilation openings and` hinged at its bottom to thesash frame and adapted toswing downwardly and outwardly to permit ventilation through the ventilation openings to form a shield to preventvisual Signaling through the window and 'when closed assuming vertical position in parallelism with said separate screensiwith' said "slats confined closely between the same and the screens.

6. A window of the character described including a sash frame having` transverse rows of ventilation openings and transverse rows ;oi light openings and provided in the light openings with panes, screens secured in the ventilation openings, sight shields secured to andlocated on the screens exteriorly thereof, and imperforate transverse ventilators hinged to the sash frame and forming closures for the rows of ventilation openings, and means connected with the ventilators for simultaneously opening and closing the same, and the ventilators when closed assuming parallelism with the respective screens and conflning the sightshields between the same and the screens.`

7. A window of the character described including a sash frame provided with alternate rows of light and ventilation openings, panes secured in closing the same and for limiting the inward and` downward movement of said closures to an upward inclined position on downward swinging movement thereof so as to prevent a. View through the ventilation openings either from the front or the rear of the window. i

8. A window of the character described including a sash frame provided with alternate rows of light and ventilation openings, panes secured in the light openings, screens mounted in theventilation openings, transverse ventilators fitted against the sash frame and forming closures for the` ventilation openings and hinged at their lower edges to the sash frame to Swing outwardly and. downwardly, arms extending outwardly from the ventilators at the upper edges thereoi, and means 'connected to the arms which extend from the upper edges of theventilators forsimultaneously opening and closing the same.

9. A window of the character described including a sash frame provided with alternate rows of light and ventilation openings, panes secured in the light openings, screens mounted in the ventilation openings, sight shields secured to and located on the screens exteriorly thereof, transverse ventilators fitted against the sash frame and forming closures for the rows of ventilation openings and hinged to the sash !rame to Swing .outwardly and downwardly. arms mounted on the ventilators at the upper edges thereof and located at the -ends of the same, and means connected with the ventilators for simultaneously opening and closing the same and the ventilators when closed assuming parallelism with the respective screens and conflning the sight shields between the same and. the screens.

10. A window of the character described including a sash frame provided with vertical and horizontal T-bars forming alternate rows of light and ventilation openings' and providing 'seats within the said openings, panes secured onthe seats in the light openings, screens mounted on the seats in the ventilation openings, and strips extending across the ventilating openings and located above the ventilation openings and secured on the seats of the light openings and projecting outwardly from the T-bars to prevent moisture from entering the window through the ventilating openings. 3 l

` i RAYMOND L. CLARK. 

